static PyObject *
_PyErr_FormatVFromCause(PyObject *exception, const char *format, va_list vargs)
{
PyObject *exc, *val, *val2, *tb;
assert(PyErr_Occurred());
PyErr_Fetch(&exc, &val, &tb);
PyErr_NormalizeException(&exc, &val, &tb);
if (tb != NULL) {
PyException_SetTraceback(val, tb);
Py_DECREF(tb);
}
Py_DECREF(exc);
assert(!PyErr_Occurred());
PyErr_FormatV(exception, format, vargs);
PyErr_Fetch(&exc, &val2, &tb);
PyErr_NormalizeException(&exc, &val2, &tb);
Py_INCREF(val);
PyException_SetCause(val2, val);
PyException_SetContext(val2, val);
PyErr_Restore(exc, val2, tb);
return NULL;
}
NUITKA_MAY_BE_UNUSED static void RAISE_EXCEPTION_WITH_CAUSE( PyObject **exception_type, PyObject **exception_value, PyTracebackObject **exception_tb, PyObject *exception_cause )
{
CHECK_OBJECT( *exception_type );
CHECK_OBJECT( exception_cause );
*exception_value = NULL;
*exception_tb = NULL;
#if PYTHON_VERSION >= 330
// None is not a cause.
if ( exception_cause == Py_None )
{
Py_DECREF( exception_cause );
exception_cause = NULL;
}
else
#endif
if ( PyExceptionClass_Check( exception_cause ) )
{
PyObject *old_exception_cause = exception_cause;
exception_cause = PyObject_CallObject( exception_cause, NULL );
Py_DECREF( old_exception_cause );
if (unlikely( exception_cause == NULL ))
{
Py_DECREF( *exception_type );
Py_XDECREF( *exception_tb );
FETCH_ERROR_OCCURRED( exception_type, exception_value, exception_tb );
return;
}
}
#if PYTHON_VERSION >= 330
if (unlikely( exception_cause != NULL && !PyExceptionInstance_Check( exception_cause ) ))
#else
if (unlikely( !PyExceptionInstance_Check( exception_cause ) ))
#endif
{
Py_DECREF( *exception_type );
Py_XDECREF( *exception_tb );
Py_XDECREF( exception_cause );
PyErr_Format( PyExc_TypeError, "exception causes must derive from BaseException" );
FETCH_ERROR_OCCURRED( exception_type, exception_value, exception_tb );
return;
}
if ( PyExceptionClass_Check( *exception_type ) )
{
NORMALIZE_EXCEPTION( exception_type, exception_value, exception_tb );
if (unlikely( !PyExceptionInstance_Check( *exception_value ) ))
{
Py_DECREF( *exception_type );
Py_XDECREF( *exception_value );
Py_DECREF( *exception_tb );
Py_XDECREF( exception_cause );
PyErr_Format(
PyExc_TypeError,
"calling %s() should have returned an instance of BaseException, not '%s'",
((PyTypeObject *)exception_type)->tp_name,
Py_TYPE( *exception_value )->tp_name
);
FETCH_ERROR_OCCURRED( exception_type, exception_value, exception_tb );
return;
}
PyException_SetCause( *exception_value, exception_cause );
#if PYTHON_VERSION >= 300
CHAIN_EXCEPTION( *exception_type, *exception_value );
#endif
return;
}
else if ( PyExceptionInstance_Check( *exception_type ) )
{
*exception_value = *exception_type;
*exception_type = PyExceptionInstance_Class( *exception_type );
Py_INCREF( *exception_type );
PyException_SetCause( *exception_value, exception_cause );
#if PYTHON_VERSION >= 300
CHAIN_EXCEPTION( *exception_type, *exception_value );
#endif
return;
}
else
{
Py_DECREF( *exception_type );
Py_XDECREF( exception_cause );
PyErr_Format( PyExc_TypeError, WRONG_EXCEPTION_TYPE_ERROR_MESSAGE, Py_TYPE( exception_type )->tp_name );
FETCH_ERROR_OCCURRED( exception_type, exception_value, exception_tb );
return;
}
}
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
PyObject* owned_instance = NULL;
if (tb == Py_None) {
tb = 0;
} else if (tb && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto bad;
}
if (value == Py_None)
value = 0;
if (PyExceptionInstance_Check(type)) {
if (value) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto bad;
}
value = type;
type = (PyObject*) Py_TYPE(value);
} else if (PyExceptionClass_Check(type)) {
// make sure value is an exception instance of type
PyObject *instance_class = NULL;
if (value && PyExceptionInstance_Check(value)) {
instance_class = (PyObject*) Py_TYPE(value);
if (instance_class != type) {
if (PyObject_IsSubclass(instance_class, type)) {
// believe the instance
type = instance_class;
} else {
instance_class = NULL;
}
}
}
if (!instance_class) {
// instantiate the type now (we don't know when and how it will be caught)
// assuming that 'value' is an argument to the type's constructor
// not using PyErr_NormalizeException() to avoid ref-counting problems
PyObject *args;
if (!value)
args = PyTuple_New(0);
else if (PyTuple_Check(value)) {
Py_INCREF(value);
args = value;
} else
args = PyTuple_Pack(1, value);
if (!args)
goto bad;
owned_instance = PyObject_Call(type, args, NULL);
Py_DECREF(args);
if (!owned_instance)
goto bad;
value = owned_instance;
if (!PyExceptionInstance_Check(value)) {
PyErr_Format(PyExc_TypeError,
"calling %R should have returned an instance of "
"BaseException, not %R",
type, Py_TYPE(value));
goto bad;
}
}
} else {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto bad;
}
#if PY_VERSION_HEX >= 0x03030000
if (cause) {
#else
if (cause && cause != Py_None) {
#endif
PyObject *fixed_cause;
if (cause == Py_None) {
// raise ... from None
fixed_cause = NULL;
} else if (PyExceptionClass_Check(cause)) {
fixed_cause = PyObject_CallObject(cause, NULL);
if (fixed_cause == NULL)
goto bad;
} else if (PyExceptionInstance_Check(cause)) {
fixed_cause = cause;
Py_INCREF(fixed_cause);
} else {
PyErr_SetString(PyExc_TypeError,
"exception causes must derive from "
"BaseException");
goto bad;
}
PyException_SetCause(value, fixed_cause);
}
PyErr_SetObject(type, value);
if (tb) {
#if CYTHON_COMPILING_IN_PYPY
PyObject *tmp_type, *tmp_value, *tmp_tb;
PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
Py_INCREF(tb);
PyErr_Restore(tmp_type, tmp_value, tb);
Py_XDECREF(tmp_tb);
#else
PyThreadState *tstate = PyThreadState_GET();
PyObject* tmp_tb = tstate->curexc_traceback;
if (tb != tmp_tb) {
Py_INCREF(tb);
tstate->curexc_traceback = tb;
Py_XDECREF(tmp_tb);
}
#endif
}
bad:
Py_XDECREF(owned_instance);
return;
}
#endif
/////////////// GetException.proto ///////////////
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
/////////////// GetException ///////////////
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
PyObject *local_type, *local_value, *local_tb;
#if CYTHON_COMPILING_IN_CPYTHON
PyObject *tmp_type, *tmp_value, *tmp_tb;
PyThreadState *tstate = PyThreadState_GET();
local_type = tstate->curexc_type;
local_value = tstate->curexc_value;
local_tb = tstate->curexc_traceback;
tstate->curexc_type = 0;
tstate->curexc_value = 0;
tstate->curexc_traceback = 0;
#else
PyErr_Fetch(&local_type, &local_value, &local_tb);
#endif
PyErr_NormalizeException(&local_type, &local_value, &local_tb);
#if CYTHON_COMPILING_IN_CPYTHON
if (unlikely(tstate->curexc_type))
#else
if (unlikely(PyErr_Occurred()))
#endif
goto bad;
#if PY_MAJOR_VERSION >= 3
if (local_tb) {
if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
goto bad;
}
#endif
// traceback may be NULL for freshly raised exceptions
Py_XINCREF(local_tb);
// exception state may be temporarily empty in parallel loops (race condition)
Py_XINCREF(local_type);
Py_XINCREF(local_value);
*type = local_type;
*value = local_value;
*tb = local_tb;
#if CYTHON_COMPILING_IN_CPYTHON
tmp_type = tstate->exc_type;
tmp_value = tstate->exc_value;
tmp_tb = tstate->exc_traceback;
tstate->exc_type = local_type;
tstate->exc_value = local_value;
tstate->exc_traceback = local_tb;
// Make sure tstate is in a consistent state when we XDECREF
// these objects (DECREF may run arbitrary code).
Py_XDECREF(tmp_type);
Py_XDECREF(tmp_value);
Py_XDECREF(tmp_tb);
#else
PyErr_SetExcInfo(local_type, local_value, local_tb);
#endif
return 0;
bad:
*type = 0;
*value = 0;
*tb = 0;
Py_XDECREF(local_type);
Py_XDECREF(local_value);
Py_XDECREF(local_tb);
return -1;
}
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
PyObject* owned_instance = NULL;
if (tb == Py_None) {
tb = 0;
} else if (tb && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto bad;
}
if (value == Py_None)
value = 0;
if (PyExceptionInstance_Check(type)) {
if (value) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto bad;
}
value = type;
type = (PyObject*) Py_TYPE(value);
} else if (PyExceptionClass_Check(type)) {
// make sure value is an exception instance of type
PyObject *instance_class = NULL;
if (value && PyExceptionInstance_Check(value)) {
instance_class = (PyObject*) Py_TYPE(value);
if (instance_class != type) {
int is_subclass = PyObject_IsSubclass(instance_class, type);
if (!is_subclass) {
instance_class = NULL;
} else if (unlikely(is_subclass == -1)) {
// error on subclass test
goto bad;
} else {
// believe the instance
type = instance_class;
}
}
}
if (!instance_class) {
// instantiate the type now (we don't know when and how it will be caught)
// assuming that 'value' is an argument to the type's constructor
// not using PyErr_NormalizeException() to avoid ref-counting problems
PyObject *args;
if (!value)
args = PyTuple_New(0);
else if (PyTuple_Check(value)) {
Py_INCREF(value);
args = value;
} else
args = PyTuple_Pack(1, value);
if (!args)
goto bad;
owned_instance = PyObject_Call(type, args, NULL);
Py_DECREF(args);
if (!owned_instance)
goto bad;
value = owned_instance;
if (!PyExceptionInstance_Check(value)) {
PyErr_Format(PyExc_TypeError,
"calling %R should have returned an instance of "
"BaseException, not %R",
type, Py_TYPE(value));
goto bad;
}
}
} else {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto bad;
}
if (cause) {
PyObject *fixed_cause;
if (cause == Py_None) {
// raise ... from None
fixed_cause = NULL;
} else if (PyExceptionClass_Check(cause)) {
fixed_cause = PyObject_CallObject(cause, NULL);
if (fixed_cause == NULL)
goto bad;
} else if (PyExceptionInstance_Check(cause)) {
fixed_cause = cause;
Py_INCREF(fixed_cause);
} else {
PyErr_SetString(PyExc_TypeError,
"exception causes must derive from "
"BaseException");
goto bad;
}
PyException_SetCause(value, fixed_cause);
}
PyErr_SetObject(type, value);
if (tb) {
#if CYTHON_COMPILING_IN_PYPY
PyObject *tmp_type, *tmp_value, *tmp_tb;
PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
Py_INCREF(tb);
PyErr_Restore(tmp_type, tmp_value, tb);
Py_XDECREF(tmp_tb);
#else
PyThreadState *tstate = __Pyx_PyThreadState_Current;
PyObject* tmp_tb = tstate->curexc_traceback;
if (tb != tmp_tb) {
Py_INCREF(tb);
tstate->curexc_traceback = tb;
Py_XDECREF(tmp_tb);
}
#endif
}
bad:
Py_XDECREF(owned_instance);
return;
}
static PyObject *
gen_send_ex(PyGenObject *gen, PyObject *arg, int exc, int closing)
{
PyThreadState *tstate = PyThreadState_GET();
PyFrameObject *f = gen->gi_frame;
PyObject *result;
if (gen->gi_running) {
char *msg = "generator already executing";
if (PyCoro_CheckExact(gen))
msg = "coroutine already executing";
PyErr_SetString(PyExc_ValueError, msg);
return NULL;
}
if (f == NULL || f->f_stacktop == NULL) {
if (PyCoro_CheckExact(gen) && !closing) {
/* `gen` is an exhausted coroutine: raise an error,
except when called from gen_close(), which should
always be a silent method. */
PyErr_SetString(
PyExc_RuntimeError,
"cannot reuse already awaited coroutine");
} else if (arg && !exc) {
/* `gen` is an exhausted generator:
only set exception if called from send(). */
PyErr_SetNone(PyExc_StopIteration);
}
return NULL;
}
if (f->f_lasti == -1) {
if (arg && arg != Py_None) {
char *msg = "can't send non-None value to a "
"just-started generator";
if (PyCoro_CheckExact(gen))
msg = "can't send non-None value to a "
"just-started coroutine";
PyErr_SetString(PyExc_TypeError, msg);
return NULL;
}
} else {
/* Push arg onto the frame's value stack */
result = arg ? arg : Py_None;
Py_INCREF(result);
*(f->f_stacktop++) = result;
}
/* Generators always return to their most recent caller, not
* necessarily their creator. */
Py_XINCREF(tstate->frame);
assert(f->f_back == NULL);
f->f_back = tstate->frame;
gen->gi_running = 1;
result = PyEval_EvalFrameEx(f, exc);
gen->gi_running = 0;
/* Don't keep the reference to f_back any longer than necessary. It
* may keep a chain of frames alive or it could create a reference
* cycle. */
assert(f->f_back == tstate->frame);
Py_CLEAR(f->f_back);
/* If the generator just returned (as opposed to yielding), signal
* that the generator is exhausted. */
if (result && f->f_stacktop == NULL) {
if (result == Py_None) {
/* Delay exception instantiation if we can */
PyErr_SetNone(PyExc_StopIteration);
} else {
PyObject *e = PyObject_CallFunctionObjArgs(
PyExc_StopIteration, result, NULL);
if (e != NULL) {
PyErr_SetObject(PyExc_StopIteration, e);
Py_DECREF(e);
}
}
Py_CLEAR(result);
}
else if (!result && PyErr_ExceptionMatches(PyExc_StopIteration)) {
/* Check for __future__ generator_stop and conditionally turn
* a leaking StopIteration into RuntimeError (with its cause
* set appropriately). */
if (((PyCodeObject *)gen->gi_code)->co_flags &
(CO_FUTURE_GENERATOR_STOP | CO_COROUTINE | CO_ITERABLE_COROUTINE))
{
PyObject *exc, *val, *val2, *tb;
char *msg = "generator raised StopIteration";
if (PyCoro_CheckExact(gen))
msg = "coroutine raised StopIteration";
PyErr_Fetch(&exc, &val, &tb);
PyErr_NormalizeException(&exc, &val, &tb);
if (tb != NULL)
PyException_SetTraceback(val, tb);
Py_DECREF(exc);
Py_XDECREF(tb);
PyErr_SetString(PyExc_RuntimeError, msg);
PyErr_Fetch(&exc, &val2, &tb);
PyErr_NormalizeException(&exc, &val2, &tb);
Py_INCREF(val);
PyException_SetCause(val2, val);
PyException_SetContext(val2, val);
PyErr_Restore(exc, val2, tb);
}
else {
PyObject *exc, *val, *tb;
/* Pop the exception before issuing a warning. */
PyErr_Fetch(&exc, &val, &tb);
if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
"generator '%.50S' raised StopIteration",
gen->gi_qualname)) {
/* Warning was converted to an error. */
Py_XDECREF(exc);
Py_XDECREF(val);
Py_XDECREF(tb);
}
else {
PyErr_Restore(exc, val, tb);
}
}
}
if (!result || f->f_stacktop == NULL) {
/* generator can't be rerun, so release the frame */
/* first clean reference cycle through stored exception traceback */
PyObject *t, *v, *tb;
t = f->f_exc_type;
v = f->f_exc_value;
tb = f->f_exc_traceback;
f->f_exc_type = NULL;
f->f_exc_value = NULL;
f->f_exc_traceback = NULL;
Py_XDECREF(t);
Py_XDECREF(v);
Py_XDECREF(tb);
gen->gi_frame->f_gen = NULL;
gen->gi_frame = NULL;
Py_DECREF(f);
}
return result;
}
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
if (tb == Py_None) {
tb = 0;
} else if (tb && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto bad;
}
if (value == Py_None)
value = 0;
if (PyExceptionInstance_Check(type)) {
if (value) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto bad;
}
value = type;
type = (PyObject*) Py_TYPE(value);
} else if (!PyExceptionClass_Check(type)) {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto bad;
}
if (cause) {
PyObject *fixed_cause;
if (PyExceptionClass_Check(cause)) {
fixed_cause = PyObject_CallObject(cause, NULL);
if (fixed_cause == NULL)
goto bad;
}
else if (PyExceptionInstance_Check(cause)) {
fixed_cause = cause;
Py_INCREF(fixed_cause);
}
else {
PyErr_SetString(PyExc_TypeError,
"exception causes must derive from "
"BaseException");
goto bad;
}
if (!value) {
value = PyObject_CallObject(type, NULL);
}
PyException_SetCause(value, fixed_cause);
}
PyErr_SetObject(type, value);
if (tb) {
PyThreadState *tstate = PyThreadState_GET();
PyObject* tmp_tb = tstate->curexc_traceback;
if (tb != tmp_tb) {
Py_INCREF(tb);
tstate->curexc_traceback = tb;
Py_XDECREF(tmp_tb);
}
}
bad:
return;
}
void setCause( PyObject *exception_cause )
{
PyException_SetCause( this->exception_value, exception_cause );
}
